18467020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 45983952

約数和(自身を除く): 27516932

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 587, 605, 715, 1174, 1210, 1430, 1573, 2348, 2420, 2860, 2935, 3146, 5870, 6292, 6457, 7631, 7865, 11740, 12914, 15262, 15730, 25828, 30524, 31460, 32285, 38155, 64570, 71027, 76310, 83941, 129140, 142054, 152620, 167882, 284108, 335764, 355135, 419705, 710270, 839410, 923351, 1420540, 1678820, 1846702, 3693404, 4616755, 9233510, 18467020]

約数ペア:

[(1, 18467020), (2, 9233510), (4, 4616755), (5, 3693404), (10, 1846702), (11, 1678820), (13, 1420540), (20, 923351), (22, 839410), (26, 710270), (44, 419705), (52, 355135), (55, 335764), (65, 284108), (110, 167882), (121, 152620), (130, 142054), (143, 129140), (220, 83941), (242, 76310), (260, 71027), (286, 64570), (484, 38155), (572, 32285), (587, 31460), (605, 30524), (715, 25828), (1174, 15730), (1210, 15262), (1430, 12914), (1573, 11740), (2348, 7865), (2420, 7631), (2860, 6457), (2935, 6292), (3146, 5870)]